From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Yinghai Lu <yinghai@kernel.org>
Cc: linux-kernel@vger.kernel.org, x86@vkernel.org, hpa@zytor.com,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Ingo Molnar <mingo@elte.hu>
Subject: Re: [PATCH] efi: Retain boot service code until after switching to virtual mode
Date: Thu, 19 May 2011 21:33:08 +0100 [thread overview]
Message-ID: <20110519203308.GA2106@srcf.ucam.org> (raw)
In-Reply-To: <BANLkTi=fViUQ+7i3PopGH4jkEcvCUqkrMg@mail.gmail.com>
On Thu, May 19, 2011 at 01:26:27PM -0700, Yinghai Lu wrote:
> how many entries are listed in memmap?
So far I've been seeing about 20 boot services entries at most.
> Did you test this system that have lots of those entries ? like > 128?
Do any exist?
> because efi_init() is called before memblock_x86_fill(), that means
> memblock array for reserved can not be doubled yet. --- no usable
> entries in memblock array for ram.
Mm. I guess this can be shifted later.
> > + * get rid of it all at this point
> > + */
> > + free_efi_boot_services();
> > +
>
> No, at that point memblock is not used any more. after mm_init()/mem_init()
>
> need to use free_bootmem_late() in free_efi_boot_services
Ah, ok.
--
Matthew Garrett | mjg59@srcf.ucam.org
prev parent reply other threads:[~2011-05-19 20:33 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-19 17:32 [PATCH] efi: Retain boot service code until after switching to virtual mode Matthew Garrett
2011-05-19 20:26 ` Yinghai Lu
2011-05-19 20:33 ` Matthew Garrett [this message]
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